Ohtsuka, Tomoki
Current rating: 1422
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1425 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 419 | Takahashi, Katsuhisa (1460) | Won 2-1 | +181443 |
| 2standard | 19 | Nishikawa, Haruyoshi (1520) | Won 2-0 | +201463 |
| 3standard | 266 | Ebitani, Keisuke (1731) | Lost 0-2 | -131450 |
| 4standard | 291 | Oku, Daisaku (1526) | Won 2-1 | +191469 |
| 5standard | 430 | Makino, Takahito (1448) | Lost 0-2 | -181451 |
| 6standard | 392 | Kobayashi, Takahito (1810) | Lost 0-2 | -121439 |
| 7standard | 491 | Shibayama, Takuya (1505) | Lost 0-2 | -171422 |
| top | average opponent: 1571record: 3-4 | new rating: 1422 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 210 | Nomura, Takeshi (1472) | Won 2-1 | +181501 |
| 2modern | 605 | Chan, Andy 1391 (1518) | Lost 1-2 | -171484 |
| 3modern | 716 | Nakatsu, Yoshihito (1425) | Lost 0-2 | -191465 |
| 4modern | 1226 | Kahata, Issei (1398) | Lost 0-2 | -201445 |
| 5modern | 1197 | Hasaba, Kenji (1302) | Lost 1-2 | -201425 |
| top | average opponent: 1423record: 1-4 | new rating: 1425 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 117 | Suzuki, Yusuke (1511) | Lost 0-2 | -181482 |
| 2modern | 483 | Nakatani, Takashi (1465) | Won 2-1 | +181500 |
| 3modern | 258 | Kimura, Takuya (1500) | Lost 1-2 | -181482 |
| 4modern | 496 | Kimura, Kakeru (1483) | Won 2-1 | +181500 |
| 5modern | 316 | Yanaseko, Kentarou (1588) | Lost 0-2 | -171483 |
| top | average opponent: 1509record: 2-3 | new rating: 1483 | ||